-Currently, PLY files serve as the de facto standard through their sheer simplicity and ubiquity. This extension aims to bring structure and conformity to the Gaussian Splat space while utilizing glTF to its fullest extent. Gaussian Splats are essentially a superset of a traditional point cloud, so we approached the extension with this mindset. The position, rotation, scale, and diffuse color are stored as standard attributes on a point primitive. If the point primitive contains the extension the renderer can know to render the point primitive as Gaussian Splats instead of a points.
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